Portable seat



FIG. 1 is a top perspective view of a portable seat of the present invention, shown in the unfolded position;

FIG. 2 is a bottom perspective view of the portable seat of FIG. 1;

FIG. 3 is a left side view of the portable seat of FIG. 1, the right side view being a mirror image thereof; and,

FIG. 4 is a left side view of the portable seat of FIG. 1, shown in the folded position, the right side view being a mirror image thereof.

The incomplete showing of ribs and apertures on the seat and backrest in FIG. 2 are understood to form a continuous repeating pattern, the incomplete showing only having been made for ease of illustration. 

The ornamental design for a portable seat, as shown and described. 